Thunderstruck slot gives players the opportunity not only to earn free spins and multipliers but also to gamble and earn up to 4x their rewards.



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  • Developer: Microgaming
  • Launch year: 2004
  • Available on: desktop, tablet, mobile
  • Highest stake: 45.00
  • Lowest stake: 0.09
  • Progressive jackpot: no
  • Number of wheels: 5
  • Number of rows: 3
  • Number paylines: 9
  • RPQ (Repayment Quota): 96.10%
  • Highest winnings: 10,000
  • Developed for: Ancient Civilisation

Thunderstruck Slot

Prepare for an encounter with the god of thunder in the Thunderstruck slot. Thor has been guiding casino players to their wins since way back in 2004. This Microgaming release offers sizeable wins with a 96.10% RTP. Its ancient reels are arranged on a 5 x 3 grid with a total of 9 paylines to wager on.

As is the norm with online slots, Thunderstruck has bonus features that keep its gameplay in the present age. There are free spins up for grabs, as well as wins that stand to be multiplied up to 6x.

Thunderstruck symbols

  • 9 to Ace card symbols are lower paying symbols
  • A horn, lightning bolt, castle, Thor’s fist and Thor’s hammer
  • Thor is the wild symbol
  • A pair of rams is the scatter symbol

Thunderstruck bonus, free spins & jackpot

Thunderstruck slot offers players good returns within the base game. Based on the symbols, winning combinations can be counted from as low as 2 of a kind on any payline. The card numbers represent low-value symbols while the hammer, lightning, fist, castle and horn are high-value symbols. Thor represents the slot’s wild and can substitute all other symbols to help create a win. This is with the exception of the ram scatter. Another upside to landing a wild is that it doubles the value of your reward. However, the best place to look out for the wild is during the free spins round.

To trigger free spins in Thunderstruck, players must land 3, 4, or 5 ram scatters. You will receive the reward for this combination before being awarded 15 free spins. All wins during this feature will be tripled too. In case the Thor wild substitutes to create a winning combination during the free spins, the rewards will be multiplied 6x! Free spins can be retriggered during the feature. Those looking to try their luck even further can choose to use the Gamble feature after any winning combination. This can double or quadruple your earnings up to 5x after a winning spin.

How to play Thunderstruck

  • Turn the game’s sounds on or off using the speaker icon
  • Click ‘view payout’ to view the paytable
  • Set your wager by selecting your preferred lines and coins
  • Click ‘bet max’ to spin with the highest wager
  • Click ‘spin’ to set the reels in motion
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